This standard ( Part I) covers copper alloy cast traps ' P ' and ' S ' types and their associated components of nominal sizes 32 mm, 40 mm and 50 mm for use in wash basins, sinks, bath tubs and similar waste appliances.
IS 5219 Pt.1-1969 history
1969IS 5219 Pt.1-1969 Specification for Cast Copper Alloy Traps Part I "P" and "S" Traps